Cancer Site	Selenium	Placebo	Hazard Ratio	P value
Lung	17	31	.56	.05
Prostate	13	35	.35	.001
Colorectal	8	19	.39	.03
Head/neck	6	8	.77	.64
Bladder	8	6	1.27	.66
Esophageal	2	6	.30	.14
Breast	9	3	2.95	.11
Other carcinoma	5	9	.54	.27
Total carcinoma	59	104	.54	<.001
Melanoma	8	8	.92	.87
Leukemia	8	5	1.50	.48
Other noncarcinoma	3	3	.99	.99
Total noncarcinomas	19	16	1.16	.65
Total cancers	77	119	.61	<.001